package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {

 /**
  * 动态条件查询
  * @param shoppingCart
  * @return
  */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据 id 修改菜品数量
     * @param shoppingCart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 添加一条菜品或者套餐数据
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, amount, create_time) " +
            "values ( #{name} , #{image} , #{userId}, #{dishId} , #{setmealId}, #{dishFlavor} , #{amount}, #{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 根据用户 id 清空购物车
     * @param userid
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
   void delete(Long userid);


    /**
    * 根据id删除购物车数据
    * @param id
    */
   @Delete("delete from shopping_cart where id = #{id}")
   void deleteById(Long id);

    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);


}
